Bronchitis differential diagnosis: Difference between revisions

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==Overview==
==Overview==
'''Bronchitis''' is an [[inflammation]] of the [[bronchus|bronchi]] (medium-size airways) in the [[lung]]s. ''[[Acute bronchitis]]'' is usually caused by [[virus]]es or [[bacteria]] and may present as cough with sputum that last several days or weeks (10 days). Other symptoms like shortness of breath, chest discomfort, and sore throat can also be found. '''Chronic bronchitis''' is not necessarily caused by infection and is generally part of a syndrome called [[chronic obstructive pulmonary disease]] (COPD); it is defined clinically as a persistent [[cough]] that produces [[sputum]] (phlegm) and mucus, for at least three months in two consecutive years. In late stages, the disease may present with blue discoloration of body ([[cyanosis]]) and difficulty in breathing ([[dyspnea]]).
Acute bronchitis (inflammation of large airways) should be differentiated from asthma or bronchiolitis (acute inflammation of the small airways. Asthma and Bronchiolitis generally presents with cough accompanied by wheezing, tachypnea, respiratory distress, and hypoxemia. Whereas, bronchitis usually presents with cough last usually for 10 days with or without sputum. It should also be distinguished from bronchiectasis that is associated with chronic cough (due to permanent dilatation of bronchi. Additionally, chronic bronchitis should be ruled out. The diagnosis of chronic bronchitis is made in patients who have cough and sputum production on most days of the month for at least 3 months of the year during 2 consecutive years.
Bronchitis should be differentiated from various pulmonary and infectious conditions that have similar presentation as it. The various conditions that should be considered are: [[Asthma]], [[Bronchiolitis]], [[Bronchiectasis]], [[COPD]], [[influenza]], [[pharyngitis]] and [[sinusitis]]
Other diagnosis to keep in mind as differentials are: [[COPD]], [[influenza]], [[pharyngitis]] and [[sinusitis]]


==Complete Differential Diagnosis of the Causes of Bronchitis==
==Complete Differential Diagnosis of the Causes of Bronchitis==

Revision as of 16:51, 28 February 2012

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Bronchitis Main page

Patient Information

Overview

Causes

Classification

Acute bronchitis
Chronic bronchitis

Differential Diagnosis

Overview

Acute bronchitis (inflammation of large airways) should be differentiated from asthma or bronchiolitis (acute inflammation of the small airways. Asthma and Bronchiolitis generally presents with cough accompanied by wheezing, tachypnea, respiratory distress, and hypoxemia. Whereas, bronchitis usually presents with cough last usually for 10 days with or without sputum. It should also be distinguished from bronchiectasis that is associated with chronic cough (due to permanent dilatation of bronchi. Additionally, chronic bronchitis should be ruled out. The diagnosis of chronic bronchitis is made in patients who have cough and sputum production on most days of the month for at least 3 months of the year during 2 consecutive years. Other diagnosis to keep in mind as differentials are: COPD, influenza, pharyngitis and sinusitis

Complete Differential Diagnosis of the Causes of Bronchitis

(By organ system)

Cardiovascular No underlying causes
Chemical / poisoning No underlying causes
Dermatologic No underlying causes
Drug Side Effect No underlying causes
Ear Nose Throat No underlying causes
Endocrine No underlying causes
Environmental No underlying causes
Gastroenterologic Gastroesophageal Reflux Disease
Genetic No underlying causes
Hematologic No underlying causes
Iatrogenic No underlying causes
Infectious Disease Influenza, Pharyngitis, Sinusitis, Streptococcus Group A infection
Musculoskeletal / Ortho No underlying causes
Neurologic No underlying causes
Nutritional / Metabolic Hypoglycemia
Obstetric/Gynecologic No underlying causes
Oncologic No underlying causes
Opthalmologic No underlying causes
Overdose / Toxicity No underlying causes
Psychiatric No underlying causes
Pulmonary Alpha1-Antitrypsin Deficiency, Asthma , Bronchiectasis, Bronchiolitis
Renal / Electrolyte No underlying causes
Rheum / Immune / Allergy No underlying causes
Sexual No underlying causes
Trauma No underlying causes
Urologic No underlying causes
Miscellaneous No underlying causes

References


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